github.com/sberex/go-sberex@v1.8.2-0.20181113200658-ed96ac38f7d7/swarm/storage/swarmhasher.go (about)

     1  // This file is part of the go-sberex library. The go-sberex library is 
     2  // free software: you can redistribute it and/or modify it under the terms 
     3  // of the GNU Lesser General Public License as published by the Free 
     4  // Software Foundation, either version 3 of the License, or (at your option)
     5  // any later version.
     6  //
     7  // The go-sberex library is distributed in the hope that it will be useful, 
     8  // but WITHOUT ANY WARRANTY; without even the implied warranty of
     9  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
    10  // General Public License <http://www.gnu.org/licenses/> for more details.
    11  
    12  package storage
    13  
    14  import (
    15  	"hash"
    16  )
    17  
    18  const (
    19  	BMTHash  = "BMT"
    20  	SHA3Hash = "SHA3" // http://golang.org/pkg/hash/#Hash
    21  )
    22  
    23  type SwarmHash interface {
    24  	hash.Hash
    25  	ResetWithLength([]byte)
    26  }
    27  
    28  type HashWithLength struct {
    29  	hash.Hash
    30  }
    31  
    32  func (self *HashWithLength) ResetWithLength(length []byte) {
    33  	self.Reset()
    34  	self.Write(length)
    35  }